Abstract
2-Methyl-2-nitrosopropane undergoes a remarkably ready reaction at room temperature with a trialkylborane to bring about the elimination of one B-alkyl group as alkene. The reaction involves stereospecific cis-elimination and may have synthetic utility. Di-t-alkyl nitroxides react only slowly with trialkylboranes at ambient temperatures. Diethylhydroxylamine and cyclohexanone oxime react rapidly at 35° with trialkylboranes to cleave off one alkyl group as alkane.

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